leavening Meaning, Definition & Usage

  1. noun an influence that works subtly to lighten or modify something
    leaven.
    • his sermons benefited from a leavening of humor
  2. noun a substance used to produce fermentation in dough or a liquid
    leaven.
  3. verb cause to puff up with a leaven
    prove; raise; leaven.
    • unleavened bread

WordNet


Leav"en*ing noun
Definitions
  1. The act of making light, or causing to ferment, by means of leaven.
  2. That which leavens or makes light. Bacon.

Webster 1913